| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| nedhorning | "Well done. I've been working a bit with texture to add additional image layers (predictor variables) to the stack for eventual automated classifica..." | Read more » | over 11 years ago | |||
| cfastie | "Charlie: The images everyone is working on are single photos from the cameras (or multispectral versions). The problematic color variations are wit..." | Read more » | over 11 years ago | |||
| ttaylor | "the large scale image is here, 2736x3648 pixels. The patch of Trapa that I "trained" on and the patch in the upper center really do have significa..." | Read more » | over 11 years ago | |||
| nedhorning | "Hi Charlie, The better we can represent the variability of the feature we are trying to classify the more accurate the result should be. In genera..." | Read more » | over 11 years ago | |||
| cschweik | "Thanks Ned for your ongoing insight and expertise. So one thought I had related to Tom's workflow would be to see if we have a broad scale image t..." | Read more » | over 11 years ago | |||
| nedhorning | "HI all, I thought I made a comment on this earlier today but apparently I did something wrong (again). It's great to see more people digging into ..." | Read more » | over 11 years ago | |||
| cschweik | "Hi Tom, Chris, (Tom, I'm Charlie, the UMass Amherst faculty who was out in the canoe with Chris. Thanks for doing this work!) Chris - just to be ..." | Read more » | over 11 years ago | |||
| cfastie | "Camera orientation and position (relative to the photo scene) is reconstructed when a structure-from-motion model is made using lots of photos take..." | Read more » | over 11 years ago | |||
| ttaylor | "Chris, that's interesting. That patch is significantly less blue that the training patch. I wonder why. Maybe different specularity? From your ..." | Read more » | over 11 years ago | |||
| cfastie | "This is great information. In the first GIF, the second largest circle, near the top, has a nice large patch of pure Trapa that appears to be simil..." | Read more » | over 11 years ago | |||
| ttaylor | "I just posted a research note with my little background study of the usefulness of color for Trapa classification; Here's the link. " | Read more » | over 11 years ago | |||
| cfastie | "Tom, Both WarnerLkVis7075.JPG and WarnerLkVis7136.JPG are there (case sensitive). Their NIR matches (2214 and 2275) are there too. The NIR images..." | Read more » | over 11 years ago | |||
| ttaylor | "Chris, some questions for you: 1) Is there a full resolution version of WarnerLkVis7075.jpg and WarnerLkVis7136.jpg somewhere for me to download? ..." | Read more » | over 11 years ago | |||
| cfastie | "philippg, Ned Horning has been working on these images, and has tried some segmentation approaches, but maybe nothing fractal or with spectral cohe..." | Read more » | over 11 years ago | |||
| cfastie | "Hi Cynthia, We got several GPS locations from patches of water chestnut, but I have not yet matched up the field descriptions with the GPS coordina..." | Read more » | over 11 years ago | |||
| cboettner | "This looks very encouraging as a possible tool for those of us trying to locate and control water chestnut. Since I haven't been involved since th..." | Read more » | over 11 years ago | |||
| philippg | "pretty nice results! it seems like the structural information is more telling than the spectral. did you try to calculate e.g. spatially resolved f..." | Read more » | over 11 years ago | |||
| nedhorning | "This isn't actually a classification. I was generating different layers from the 4-band (red, green, blue, near-IR) images collected a few weeks ag..." | Read more » | over 11 years ago | |||
| cfastie | "I think the only areas in the image with waterchestnut present are within the white circles. Other areas that are dark in the classification result..." | Read more » | over 11 years ago | |||
| jholmes5 | "I want to know more! It seems like there are areas around the canoe which have similar appearance in the gray scale are these water chestnut areas ..." | Read more » | over 11 years ago | |||
| cfastie | "Yes, I noticed that in your note you mentioned that tallow turns color in the fall and nothing else does. So you won't even need IR to distinguish ..." | Read more » | over 11 years ago | |||
| eustatic | "chris fastie for president. i think tallow looks like broccoli from up high. it would be interesting to develop a color signature, or some kind o..." | Read more » | over 11 years ago | |||
| cfastie | "Hello 10k Diamond Jubilee Admirals' Club. This is my 100th research note! " | Read more » | over 11 years ago | |||
| patcoyle | "Chris, I'm not a expert user of the two cloudbased services, Dronemapper.com and Pix4d.com. I've only processed test cases. Pix4d.com, used to want..." | Read more » | over 11 years ago |